INDEX. 



291 



ventrovittis. Aides, 

 venustum , Simulium . 

 venustus, Dermacentor. 

 versicolor, Hippocentrum. 

 vestimenti, Pediculus (see P. huma- 



nus). 

 veterinus,GastropMlus{seeG.nasalis). 

 veterna, Glossina. 

 vexans, Acdes ; OcMerotatus. 

 vicina, Erephopsis. 

 Vienna, flies infesting meat in, 81. 

 vigilax, OcMerotatus (Gulicelsa). 

 Vinegar, in baits for house-flies, 



177. 

 violacea, Diatomineura. 

 Vipera libetina, infested with Ophio- 



nyssus natriris in Algeria, 139. 

 Virgin Islands, breeding places of 



Stegomyia in, 49. 

 Virginia, mosquitos and malaria in, 



154. 

 viridescens, Notophthalmus. 

 vitripennis, DiaeMorus. 

 vitiatum, Simulium. 

 vituli, Linognathus. 

 vivax, Plasmodium : Trypanosoma. 

 Volhynian Fever, transmission of, 



by lice, 56, 58. 

 vomitoria, Calliphora (Musca). 

 Vorticella, infesting mosquito larvae 



in Macedonia, 162. 

 vulgaris, 8 or ex. 

 vulpecvla, Ectenopsis. 

 vulpinus, HolocMlus. 



W. 



Wagtail, probably alternative host 

 of Trematode parasite of mos- 

 quitos, 2. 



w-alba, Stegomyia. 



Warble Flies (see Hypoderma). 



Wart-hog, Trypanosoma pecorum 

 found in blood of, in the Gold 

 Coast, 99 ; a probable reservoir 

 of sleeping sickness, 85. 



Wasps, predaceous on flies in 

 British Guiana, 18. 



Waterbuck, attacked by ticks in 

 Uganda, 31. 



Weil's Disease, not necessarily 

 transmitted by biting insects, 56 ; 

 (see Spirochaeta icterohaemo- 

 rrJiagiae). 



wellrnani, OcMerotatus. 



West Indies, utilisation of fish 

 against mosquitos in, 25. 



wichmanni, Microthrombidium. 



willmori. Anopheles. 



wilsoni, Gulex (Triclioprosopon). 



WoMfartiamagnifica, attacking man 

 in Egypt, 30, 239. 



Worm Nodules, in cattle (see 

 OncJiocerca). 



Wurtemburg, Anopheline mosqui- 

 tos in, 212. 



X. 



xanthopogon, Erephopsis. 



Xenopsyila cheopis, in Australia, 

 62 ; in Ecuador, 192 ; on rats in 

 Java, 36, 53, 54 ; in Kentucky, 

 210; on rats in Malta, 43, 190; 

 effect of heat on, 193 : importance 

 of destroying, to prevent plague, 

 220. 



Yellow Fever, decrease of, in South 

 America, 29 ; precautions against, 

 in Southern France, 23 ; in 

 Dahomey, 202 ; and Stegomyia 

 fasciata in Gambia, 48 ; in 

 British Guiana, 84 ; and mos- 

 quitos in French Guiana, 160 ; 

 not present in Hawaii, 163. 



Zanzibar, insects injurious to man 

 and animals in, 46, 122, 123, 124. 



Zenoleum, in sprays for poultry 

 houses. 65. 



zoosophus, Aedes. 



Zorilla lybica, new flea on, in Tunis, 

 28. 



